c-- ccc cch ccm cco ccs ccz ch- chc chh chm cho chs chz cmc cmh cmm cmo cms co- coc coh com coo cos coz csc csh csm cso css csz cz- czc czm czo hcc hch hcm hco hcs hhc hhh hhm hho hhs hhz hmc hmh hmm hmo hms hmz hoc hoh hom hoo hos hsc hsh hsm hss hsz hzo hzs m-o mc- mcc mch mcm mco mcs mcz mhc mhh mhm mho mhs mhz mmc mmh mmm mmo mms mmz moc moh mom moo mos moz msc msh msm mso mss mzm oc- occ och ocm oco ocs ocz ohc ohh ohm oho ohs om- omc omh omm omo oms omz oo- ooc ooh oom ooo oos os- osc osh osm oso oss ozm ozo ozs ozz scc sch scm sco scs sh- shc shh shm sho shs smc smh smm smo sms smz soc soh som soo sos soz ss- ssc ssh ssm sso sss ssz zco zcs zhc zho zhs zmc zmm zms zo- zoc zom zoo zos zsh zsm zsz zzs zzz